Stereoscopic displays with addressable focus cues
a focus cue and stereoscopic technology, applied in the field of stereoscopic displays, can solve problems such as distortion in perceived depth and diplopic vision
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[0030]Referring now to the figures, wherein like elements are numbered alike throughout, in accordance with one aspect of the present invention, FIG. 2 schematically illustrates the first-order unfolded optical path of an exemplary optical system which is particularly suited for providing high imaging quality in depth-fused multi-focal-plane stereoscopic displays with addressable focus cues. FIGS. 3A, 3B schematically illustrate particular designs according to the layout of FIG. 2, with a first optical system 100 having a single field lens 18, FIG. 3A, and an alternative system 200 having a two-element 17, 19 field lens 18, FIG. 3B. (While a single set of optics for a single viewer's eye is illustrated, it is understood that in a final stereoscopic device, two such sets of optics will be provided, one for each eye.)
[0031]A relevant feature of the designs is the inclusion of a relay lens group 20 which relays the image from a microdisplay, such as a digital micro-mirror device (DMD) ...
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Abstract
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